offset_rationals.rb in tzinfo-1.1.0

- old
+ new

@@ -1,7 +1,7 @@
 #--
-# Copyright (c) 2006-2010 Philip Ross
+# Copyright (c) 2006-2013 Philip Ross
 # 
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
 # in the Software without restriction, including without limitation the rights
 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
@@ -24,11 +24,13 @@
 
 module TZInfo
   
   # Provides a method for getting Rationals for a timezone offset in seconds.
   # Pre-reduced rationals are returned for all the half-hour intervals between
-  # -14 and +14 hours to avoid having to call gcd at runtime.  
+  # -14 and +14 hours to avoid having to call gcd at runtime.
+  #
+  # @private
   module OffsetRationals #:nodoc:
     @@rational_cache = {
       -50400 => RubyCoreSupport.rational_new!(-7,12), 
       -48600 => RubyCoreSupport.rational_new!(-9,16),
       -46800 => RubyCoreSupport.rational_new!(-13,24),
@@ -83,10 +85,10 @@
        41400 => RubyCoreSupport.rational_new!(23,48),
        43200 => RubyCoreSupport.rational_new!(1,2),
        45000 => RubyCoreSupport.rational_new!(25,48),
        46800 => RubyCoreSupport.rational_new!(13,24),
        48600 => RubyCoreSupport.rational_new!(9,16),
-       50400 => RubyCoreSupport.rational_new!(7,12)}
+       50400 => RubyCoreSupport.rational_new!(7,12)}.freeze
     
     # Returns a Rational expressing the fraction of a day that offset in 
     # seconds represents (i.e. equivalent to Rational(offset, 86400)). 
     def rational_for_offset(offset)
       @@rational_cache[offset] || Rational(offset, 86400)      